?? ????“????”???????????
![](https://image.chezhanri.com/2019/0612/20190612113311107.jpg)
????:1?????95?:???????
2?????
3??????V
4?51?????
5???????
?????????????????6???????????????????16?????????????? (?? ?)???????????????16????????????,???,???????????????????????6mK(???????-273.144?),???
????,??,????????????????????????????????????,????????????????????????????????“???????”(?????273.15?)??????,????????????????,????????????????????????????????????????
??,??????????????????????,??????????????1mK,???????????????????????????????6mK-200mK??????????????????????,??,???????????????,??????????????20mK?????,??????????????????????????,??????,???????????????????,???
?????????,????????????????,??,????????????????????????(????????????) ??????????????:???????????????